Generator mounting structure for engineering machinery

Abstract

The utility model provides a generator installation structure for engineering machinery, which comprises an engine front support frame and a generator installation support, the engine front support frame is fixedly installed on the lower edge of an engine, and a generator is installed on the upper side face of the generator installation support through a tension adjusting assembly. An input shaft of the generator is provided with a driven belt pulley which is in power connection with a driving belt pulley driven by an output shaft of the engine to rotate through a transmission belt, and the driven belt pulley of the generator and the driving belt pulley of the engine are arranged on the same vertical plane. The vibration synchronization device has the beneficial effects that the integral strength and coplanarity of the structure are guaranteed by arranging the engine front supporting frame and the generator mounting bracket which are integrated, the tension degree of the transmission belt is adjusted through the tension adjusting assembly, the generator and the engine are mounted together through the integrated frame body structure, vibration synchronization of the engine and the generator is achieved, and the vibration synchronization effect is improved. Abrasion and shaking of the belt in the operation process are relieved, the service life of the belt is prolonged, and therefore the maintenance period of the belt is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to an engine mounting structure for engineering machinery and belongs to the technical field of engineering machinery manufacturing equipment. BACKGROUND

[0002] In the current engineering machinery industry, the engine installation mostly uses pump motor drive, is installed on a special transfer case or is installed on a frame, the first two ways will bring more cost pressure, the third way will cause abnormal wear and tear of the belt due to the cumulative error of the frame manufacturing, engine shaking, shaking affects the service life of the belt, the wear and tear of the engine and the engine to the transmission belt will lead to increased noise, reduced transmission efficiency and even slipping misalignment, affecting the stability of the whole machine.

[0003] Because in order to be able to save cost more, need through design a kind of simultaneously solve the transmission belt wear and tear problem caused by coplanarity and vibration frequency difference's engine mounting structure. SUMMARY

[0004] The utility model discloses an engine mounting structure for engineering machinery, which controls the coplanarity of the engine drive pulley mounting surface and the generator driven pulley mounting surface by setting an integrated engine front support frame and a generator mounting bracket combined structure, controls the lateral position of the generator by the tensioning adjusting assembly to adjust the tensioning degree of the transmission belt, reduces the wear and tear and shaking of the belt during operation, and prolongs the service life of the belt.

[0005] Technical scheme: an engine mounting structure for engineering machinery, comprising an integrated horizontally arranged engine front support frame and a generator mounting bracket, which are combined in an L-shaped bending structure; the engine front support frame is fixedly installed on the lower edge of the engine, and the generator mounting bracket is arranged perpendicularly to one end of the engine front support frame; the generator is installed on the upper side of the generator mounting bracket through a tensioning adjusting assembly, the input shaft of the generator is provided with a driven pulley, which is connected in power with a drive pulley driven by the output shaft of the engine through a transmission belt, and the driven pulley of the generator and the drive pulley of the engine are arranged on the same vertical plane.

[0006] This utility model features an integrated engine front support frame and generator mounting bracket combined structure, manufactured through welding and bending processes to ensure overall structural strength. The two components are positioned perpendicularly to each other, and the coplanarity of the engine drive pulley mounting surface and the generator driven pulley mounting surface is controlled by machining precision. The tension of the drive belt is adjusted by controlling the lateral position of the generator through a tension adjustment component. By mounting the generator and engine together in an integrated frame structure, vibration synchronization between the engine and generator is achieved, reducing belt wear and vibration during operation, extending belt lifespan, and thus increasing the belt maintenance cycle.

[0007] The tension adjustment assembly includes a generator mounting plate disposed between the generator and the generator mounting bracket. The generator mounting plate has adjustment threaded holes arranged in a rectangular array. The generator mounting bracket has a guide groove parallel to the drive belt at a position corresponding to the adjustment threaded holes. A first adjustment bolt that is threadedly connected to the adjustment threaded holes is slidably disposed through the guide groove.

[0008] At least one lateral adjustment block is provided on any side of the generator mounting plate along the direction of the transmission belt. Side plates are fixedly provided on the edges of the engine front support frame and the generator mounting bracket. A second adjustment bolt is provided through the side plate near the lateral adjustment block. The second adjustment bolt is threadedly connected to the lateral adjustment block and slidably connected to the side plate.

[0009] The lateral movement of the generator as a whole is achieved by combining the first adjusting bolt, the guide groove, and the adjusting threaded hole on the generator mounting plate, which restricts the movement direction of the generator mounting plate and ensures the coplanarity of the drive pulley and the driven pulley. The lateral movement of the generator mounting plate is controlled by rotating the second adjusting bolt through the side plate and the lateral adjusting block. With the help of the guide groove, the tension can be adjusted.

[0010] The generator housing is provided with a mounting bracket, which is fixedly connected to the generator mounting plate by bolts. The generator mounting bracket is provided with adjustment slots corresponding to the position and number of bolt connections between the generator mounting plate and the mounting bracket.

[0011] To enable quick installation and removal of the generator, the generator's built-in mounting bracket is fully utilized. The generator is installed on the generator mounting plate by bolts. The protruding bolt heads on the bottom surface of the generator mounting plate move within the range of the adjustment slot during movement. The adjustment slot is designed to accommodate the protruding structure on the bottom surface of the generator mounting plate while reducing the weight of the generator mounting bracket.

[0012] A circular window is provided in the middle of the generator mounting plate.

[0013] The generator mounting plate is the structure for installing the generator and adjusting its position. Therefore, opening a circular window in the middle not only does not affect the installation but also reduces weight, facilitates position adjustment, and makes adjustment easier.

[0014] A first shock absorber and a second shock absorber are respectively installed at both ends of the engine front support frame, and a third shock absorber is installed through the middle of the generator mounting bracket. The lower ends of the first shock absorber, the second shock absorber and the third shock absorber are respectively fixedly connected to the support frame extending from the vehicle frame.

[0015] By installing three shock absorbers, the first and second shock absorbers work together to absorb and dampen vibrations, while the third shock absorber passes through the circular window of the generator mounting bracket and the generator mounting plate to effectively absorb and dampen generator vibrations. This reduces the impact of vibrations on the installation stability of the structure, reduces noise, and effectively reduces the impact of vibrations on the drive belt, thus reducing wear on the drive belt.

[0016] A mounting base with threaded holes is provided on the side plate near the engine. The mounting base is fixedly installed to the lower edge of the engine. At least two first stiffeners are provided at both ends along the width direction of the engine front support frame to connect the two side plates. At least two second stiffeners are provided at both ends along the width direction of the generator mounting bracket to connect the side plates and the upper side of the generator mounting bracket.

[0017] To improve the overall structural strength of the engine front support frame and generator mounting bracket, side plates are provided at the edges, and stiffeners are added for reinforcement. The side plate where the engine mounting base is located requires even higher strength, so the first stiffener is designed to span the entire engine front support frame to provide sufficient structural strength to suspend the generator and other components, thereby improving structural stability.

[0018] Beneficial Effects: This utility model is a sheet metal structure that forms a reliable rigid bracket through bending and welding of sheet metal parts, satisfying the integrated installation of the engine and generator. The overall structure is easy to manufacture, requiring no molds; the manufacturing process only involves bending and welding, resulting in low cost. By setting an integrated engine front support frame and generator mounting bracket combination structure, manufactured as a single unit through welding and bending processes, the overall structural strength is ensured while the two are positioned perpendicularly. Furthermore, the coplanarity of the engine drive pulley mounting surface and the generator driven pulley mounting surface is controlled by machining precision. The tension of the drive belt is adjusted by controlling the lateral position of the generator through a tension adjustment component. By installing the generator and engine together through an integrated frame structure, the vibration of the engine and generator is synchronized, reducing belt wear and vibration during operation, extending belt life, and thus increasing the belt maintenance cycle. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0020] Fig. 1 This is an isometric drawing of the present invention.

[0021] Fig. 2 This is a bottom structural diagram of the present invention.

[0022] Fig. 3 This is an exploded view of the present invention. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] like Figs. 1 to 3As shown, a generator mounting structure for engineering machinery includes an integrated, horizontally arranged engine front support frame 1 and a generator mounting bracket 2, which are combined in an L-shaped bent structure. The engine front support frame 1 is fixedly installed on the lower edge of the engine, and the generator mounting bracket 2 is set perpendicular to one end of the engine front support frame 1. The generator is mounted on the upper side of the generator mounting bracket 2 through a tension adjustment component 3. The input shaft of the generator is provided with a driven pulley 4, which is poweredly connected to a drive pulley 6 driven by the engine output shaft through a transmission belt 5. The driven pulley 4 of the generator and the drive pulley 6 of the engine are arranged on the same vertical plane.

[0027] This utility model features an integrated engine front support frame 1 and generator mounting bracket 2, manufactured as a single unit through welding and bending processes. This ensures the overall structural strength while maintaining the perpendicularity of the two components. Furthermore, the coplanarity of the engine drive pulley 6 mounting surface and the generator driven pulley 4 mounting surface is controlled by precision machining. The tension adjustment component 3 adjusts the lateral position of the generator to regulate the tension of the transmission belt 5. By mounting the generator and engine together in an integrated frame structure, the vibration of the engine and generator is synchronized, reducing belt wear and vibration during operation, extending belt life, and thus increasing the belt's maintenance cycle.

[0028] The tension adjustment assembly 3 includes a generator mounting plate 31 disposed between the generator and the generator mounting bracket 2. The generator mounting plate 31 has adjustment threaded holes 311 arranged in a rectangular array. The generator mounting bracket 2 has a guide groove 21 that is parallel to the transmission belt 5 at the position corresponding to the adjustment threaded holes 311. A first adjustment bolt 7 is slidably disposed through the guide groove 21 and threadedly connected to the adjustment threaded holes 311.

[0029] At least one lateral adjustment block 312 is provided on any side of the generator mounting plate 31 along the direction of the transmission belt 5. Side plates 8 are fixedly provided on the edges of the engine front support frame 1 and the generator mounting bracket 2. A second adjustment bolt 9 is provided through the side plate 8 near the lateral adjustment block 312. The second adjustment bolt 9 is threadedly connected to the lateral adjustment block 312 and slidably connected to the side plate 8.

[0030] The lateral movement of the generator as a whole is achieved by the combination of the first adjusting bolt 7, the guide groove 21 and the adjusting threaded hole 311 on the generator mounting plate 31, which restricts the movement direction of the generator mounting plate 31 and ensures the coplanarity of the drive pulley 6 and the driven pulley 4. The lateral movement of the generator mounting plate 31 is controlled by rotating the second adjusting bolt 9 through the side plate 8 and the lateral adjusting block 312. With the help of the guide groove 21, the tension can be adjusted.

[0031] The generator housing is provided with a mounting bracket 10, which is fixedly connected to the generator mounting plate 31 by bolts. The generator mounting bracket 2 is provided with an adjustment slot 22 corresponding to the position and number of bolt connections between the generator mounting plate 31 and the mounting bracket 10.

[0032] To enable quick installation and disassembly of the generator, the generator's built-in mounting bracket 10 is fully utilized. The generator is installed on the generator mounting plate 31 by bolts. The bolt heads protruding from the bottom surface of the generator mounting plate 31 move within the range of the adjustment slot 22 during movement. The adjustment slot 22 is designed to accommodate the protruding structure on the bottom surface of the generator mounting plate 31 while reducing the weight of the generator mounting bracket 2.

[0033] A circular window 313 is provided in the middle of the generator mounting plate 31.

[0034] The generator mounting plate 31 is a structure for installing the generator and adjusting its position. Therefore, opening a circular window 313 in the middle does not affect the installation, but also reduces the weight, makes it easier to adjust the position, and makes the adjustment more effortless.

[0035] A first shock absorber 11 and a second shock absorber 12 are respectively provided at both ends of the engine front support frame 1, and a third shock absorber 13 is provided through the middle of the generator mounting bracket 2. The lower ends of the first shock absorber 11, the second shock absorber 12 and the third shock absorber 13 are respectively fixedly connected to the support frame extending from the vehicle frame.

[0036] By installing three shock absorbers, the first and second shock absorbers 12 are used to absorb and dampen vibrations in combination for engines with larger vibration amplitude and frequency. The third shock absorber 13 passes through the circular window 313 of the generator mounting bracket 2 and the generator mounting plate 31 to effectively absorb and dampen the generator vibration, reduce the impact of vibration on the installation stability of the structure, reduce noise, and at the same time effectively reduce the impact of vibration on the transmission belt 5 and reduce the wear of the transmission belt 5.

[0037] A mounting base 14 with threaded holes is provided on the side plate 8 near the engine. The mounting base 14 is fixedly installed to the lower edge of the engine. At least two first stiffening plates 15 are provided at both ends along the width direction of the engine front support frame 1 to connect the two side plates 8. At least two second stiffening plates 16 are provided at both ends along the width direction of the generator mounting bracket 2 to connect the side plates 8 and the upper side of the generator mounting bracket 2.

[0038] To improve the overall structural strength of the engine front support frame 1 and generator mounting bracket 2, side plates 8 are provided at the edges and reinforced with stiffeners. The side plate 8 where the engine mounting seat 14 is located requires higher strength, so the first stiffener 15 is designed to span the entire engine front support frame 1 to provide sufficient structural strength to suspend the generator and other components, thereby improving structural stability.

[0039] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0040] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A generator mounting structure for engineering machinery, characterized in that: It includes an integrated horizontally arranged engine front support frame (1) and generator mounting bracket (2), which are combined in an L-shaped bent structure; the engine front support frame (1) is fixedly installed on the lower edge of the engine, and the generator mounting bracket (2) is set perpendicular to one end of the engine front support frame (1). The generator is installed on the upper side of the generator mounting bracket (2) through a tension adjustment component (3). The input shaft of the generator is provided with a driven pulley (4), which is powered by a transmission belt (5) and a drive pulley (6) driven by the engine output shaft. The driven pulley (4) of the generator and the drive pulley (6) of the engine are set on the same vertical plane.

2. The generator mounting structure for engineering machinery according to claim 1, characterized in that: The tension adjustment assembly (3) includes a generator mounting plate (31) disposed between the generator and the generator mounting bracket (2). The generator mounting plate (31) has adjustment threaded holes (311) arranged in a rectangular array. The generator mounting bracket (2) has a guide groove (21) that is parallel to the transmission belt (5) at the position corresponding to the adjustment threaded holes (311). A first adjustment bolt (7) that is threadedly connected to the adjustment threaded holes (311) is slidably disposed through the guide groove (21). The generator mounting plate (31) is provided with at least one lateral adjustment block (312) on any side along the direction of the transmission belt (5). The engine front support frame (1) and the generator mounting bracket (2) are both fixedly provided with side plates (8). A second adjustment bolt (9) is provided through the side plate (8) near the lateral adjustment block (312). The second adjustment bolt (9) is threadedly connected to the lateral adjustment block (312) and slidably connected to the side plate (8).

3. The generator mounting structure for engineering machinery according to claim 2, characterized in that: The generator housing is provided with a mounting bracket (10), which is fixedly connected to the generator mounting plate (31) by bolts. The generator mounting bracket (2) is provided with an adjustment slot (22) corresponding to the position and number of bolt connections between the generator mounting plate (31) and the mounting bracket (10).

4. The generator mounting structure for engineering machinery according to claim 2, characterized in that: A circular window (313) is provided in the middle of the generator mounting plate (31).

5. The generator mounting structure for engineering machinery according to claim 4, characterized in that: A first shock absorber (11) and a second shock absorber (12) are respectively provided at both ends of the engine front support frame (1), and a third shock absorber (13) is provided in the middle of the generator mounting bracket (2). The lower ends of the first shock absorber (11), the second shock absorber (12) and the third shock absorber (13) are respectively fixedly connected to the support frame extending from the vehicle frame.

6. The generator mounting structure for engineering machinery according to claim 2, characterized in that: A mounting base (14) with threaded holes is provided on the side plate (8) near the engine. The mounting base (14) is fixedly installed to the lower edge of the engine. At least two first stiffeners (15) are provided at both ends of the engine front support frame (1) to connect the two side plates (8). At least two second stiffeners (16) are provided at both sides of the generator mounting bracket (2) to connect the side plates (8) and the upper side of the generator mounting bracket (2).

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